Average Speed and Velocity

Front

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

Back

10 m/s

Front

Velocity is both ____ and _____.

Back

speed, direction

Front

Which of the following represents a velocity? Options: 40 m, 40 m north, 40 m/s, 40 m/s north

Back

40 m/s north

Front

What is the speed of a cheetah that travels 112.0 m in 4.00 s?

Back

28.0 m/s

Front

Two horses are running in a field. The gray horse runs 12 m/s north. The black horse runs 12 m/s east. Which is true about their motions?

Back

Equal speeds.

Front

How do you calculate velocity? Options: Distance divided by time., Displacement divided by time., Speed multiplied by time., Displacement divided by velocity.

Back

Displacement divided by time.

Front

A car moves a distance of 1000 m with an average speed of 28 m/s. Calculate the time.

Back

36 seconds

Front

Formula for average speed?

Back

Front

When do displacement and distance have the same magnitude?

Back

They are both the shortest distance between the same two points.

Front

Usually, magnitude is a number, while direction is not.

Back

True